Ryanne Brown, MD
NPI 1780940106 · Anatomic Pathology & Clinical Pathology Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryanne Brown, MD is a Anatomic Pathology & Clinical Pathology Physician provider in Stanford, CA (NPI 1780940106).
Provider details
- NPI number
- 1780940106
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A126737 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
11,239 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 6,359 | $63 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 1,167 | $56 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 1,077 | $68 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 765 | $42 |
| Special Stained Specimen Slides to Identify Organisms Including Interpretation and Report88312 | 415 | $81 |
| Surgical Pathology Consultation and Report on Referred Material Requiring Preparation of Slides88323 | 311 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-04-10
- Last updated
- 2024-03-13
- Certified
- 2024-03-13
Frequently asked questions
- What is Ryanne Brown's NPI number?
- Ryanne Brown's National Provider Identifier (NPI) is 1780940106, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryanne Brown's specialty?
- Ryanne Brown is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Ryanne Brown located?
- Ryanne Brown's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Ryanne Brown's phone number?
- The practice phone number listed in the NPPES registry for Ryanne Brown is (650) 723-4000.
- Does Ryanne Brown accept Medicare?
- Ryanne Brown is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryanne Brown's NPI active?
- Yes — Ryanne Brown's NPI (1780940106) is active in the NPPES registry as of the last update on 2024-03-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.